2. Think cool thoughts. Cognitive behavioral therapy (CBT) can help women learn how thoughts, feelings and behavior affect the experience of hot flashes. Think about “being cool, calm, being at a beach or going into cold water,” says Dr. JoAnn Pinkerton, at the University of Virginia. It can take four to six weeks of CBT with a clinician, an app or even a self-help book to experience relief. Ask your doctor for recommendations.